Top "Time-series" questions

A Time series is a sequence of data points with values measured at successive times (either in continuous time or at discrete time periods).

Storing time-series data, relational or non?

I am creating a system which polls devices for data on varying metrics such as CPU utilisation, disk utilisation, temperature …

database nosql relational-database time-series non-relational-database
auto.arima() equivalent for python

I am trying to predict weekly sales using ARMA ARIMA models. I could not find a function for tuning the …

python r time-series statsmodels forecasting
Multivariate time series modelling in R

I want do fit some sort of multi-variate time series model using R. Here is a sample of my data: …

r statistics time-series
starting a daily time series in R

I have a daily time series about number of visitors on the web site. my series start from 01/06/2014 until today 14/10/2015 …

r time-series
Insert rows for missing dates/times

I am new to R but have turned to it to solve a problem with a large data set I …

r time-series missing-data
sliding window of M-by-N shape numpy.ndarray

I have a numpy array of shape (6,2) [[00,01], [10,11], [20,21], [30,31], [40,41], [50,51]] I need a sliding window with step size 1 and window size 3 likes this: [[00,01,10,11,20,21], [10,11,20,21,30,31], [20,21,30,31,40,41], [30,31,40,41,50,51]] …

python numpy time-series sliding-window
Calculate percentage change in an R data frame

I have a time series object in R with multiple vectors. I would like to calculate the period-over-period percentage change …

r time-series
Replace -inf, NaN and NA values with zero in a dataset in R

I am trying to run some trading strategies in R. I have downloaded some stock prices and calculated returns. The …

r time-series nan zoo
R tick data : merging date and time into a single object

I'm currently working in tick data with R and I would like to merge date and time into a single …

r statistics time-series finance
Pattern recognition in time series

By processing a time series graph, I Would like to detect patterns that look similar to this: Using a sample …

machine-learning time-series pattern-recognition